diff options
Diffstat (limited to 'agg/inc/agg_span_interpolator_persp.h')
| -rwxr-xr-x | agg/inc/agg_span_interpolator_persp.h | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/agg/inc/agg_span_interpolator_persp.h b/agg/inc/agg_span_interpolator_persp.h index 632a56449f28..0c01c2e30e09 100755 --- a/agg/inc/agg_span_interpolator_persp.h +++ b/agg/inc/agg_span_interpolator_persp.h @@ -2,8 +2,8 @@ // Anti-Grain Geometry - Version 2.3 // Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com) // -// Permission to copy, use, modify, sell and distribute this software -// is granted provided this copyright notice appears in all copies. +// Permission to copy, use, modify, sell and distribute this software +// is granted provided this copyright notice appears in all copies. // This software is provided "as is" without express or implied // warranty, and with no claim as to its suitability for any purpose. // @@ -24,7 +24,7 @@ namespace agg //===========================================span_interpolator_persp_exact - template<unsigned SubpixelShift = 8> + template<unsigned SubpixelShift = 8> class span_interpolator_persp_exact { public: @@ -41,24 +41,24 @@ namespace agg //-------------------------------------------------------------------- // Arbitrary quadrangle transformations - span_interpolator_persp_exact(const double* src, const double* dst) + span_interpolator_persp_exact(const double* src, const double* dst) { quad_to_quad(src, dst); } //-------------------------------------------------------------------- - // Direct transformations - span_interpolator_persp_exact(double x1, double y1, - double x2, double y2, + // Direct transformations + span_interpolator_persp_exact(double x1, double y1, + double x2, double y2, const double* quad) { rect_to_quad(x1, y1, x2, y2, quad); } //-------------------------------------------------------------------- - // Reverse transformations - span_interpolator_persp_exact(const double* quad, - double x1, double y1, + // Reverse transformations + span_interpolator_persp_exact(const double* quad, + double x1, double y1, double x2, double y2) { quad_to_rect(quad, x1, y1, x2, y2); @@ -74,7 +74,7 @@ namespace agg //-------------------------------------------------------------------- // Set the direct transformations, i.e., rectangle -> quadrangle - void rect_to_quad(double x1, double y1, double x2, double y2, + void rect_to_quad(double x1, double y1, double x2, double y2, const double* quad) { double src[8]; @@ -88,7 +88,7 @@ namespace agg //-------------------------------------------------------------------- // Set the reverse transformations, i.e., quadrangle -> rectangle - void quad_to_rect(const double* quad, + void quad_to_rect(const double* quad, double x1, double y1, double x2, double y2) { double dst[8]; @@ -152,11 +152,11 @@ namespace agg //---------------------------------------------------------------- void resynchronize(double xe, double ye, unsigned len) { - // Assume x1,y1 are equal to the ones at the previous end point + // Assume x1,y1 are equal to the ones at the previous end point int sx1 = m_scale_x.y(); int sy1 = m_scale_y.y(); - // Calculate transformed coordinates at x2,y2 + // Calculate transformed coordinates at x2,y2 double xt = xe; double yt = ye; m_trans_dir.transform(&xt, &yt); @@ -215,7 +215,7 @@ namespace agg { m_trans_dir.transform(x, y); } - + private: trans_type m_trans_dir; trans_type m_trans_inv; @@ -235,7 +235,7 @@ namespace agg //============================================span_interpolator_persp_lerp - template<unsigned SubpixelShift = 8> + template<unsigned SubpixelShift = 8> class span_interpolator_persp_lerp { public: @@ -251,24 +251,24 @@ namespace agg //-------------------------------------------------------------------- // Arbitrary quadrangle transformations - span_interpolator_persp_lerp(const double* src, const double* dst) + span_interpolator_persp_lerp(const double* src, const double* dst) { quad_to_quad(src, dst); } //-------------------------------------------------------------------- - // Direct transformations - span_interpolator_persp_lerp(double x1, double y1, - double x2, double y2, + // Direct transformations + span_interpolator_persp_lerp(double x1, double y1, + double x2, double y2, const double* quad) { rect_to_quad(x1, y1, x2, y2, quad); } //-------------------------------------------------------------------- - // Reverse transformations - span_interpolator_persp_lerp(const double* quad, - double x1, double y1, + // Reverse transformations + span_interpolator_persp_lerp(const double* quad, + double x1, double y1, double x2, double y2) { quad_to_rect(quad, x1, y1, x2, y2); @@ -284,7 +284,7 @@ namespace agg //-------------------------------------------------------------------- // Set the direct transformations, i.e., rectangle -> quadrangle - void rect_to_quad(double x1, double y1, double x2, double y2, + void rect_to_quad(double x1, double y1, double x2, double y2, const double* quad) { double src[8]; @@ -298,7 +298,7 @@ namespace agg //-------------------------------------------------------------------- // Set the reverse transformations, i.e., quadrangle -> rectangle - void quad_to_rect(const double* quad, + void quad_to_rect(const double* quad, double x1, double y1, double x2, double y2) { double dst[8]; @@ -316,7 +316,7 @@ namespace agg //---------------------------------------------------------------- void begin(double x, double y, unsigned len) { - // Calculate transformed coordinates at x1,y1 + // Calculate transformed coordinates at x1,y1 double xt = x; double yt = y; m_trans_dir.transform(&xt, &yt); @@ -343,7 +343,7 @@ namespace agg dy -= y; int sy1 = int(subpixel_size/sqrt(dx*dx + dy*dy)) >> subpixel_shift; - // Calculate transformed coordinates at x2,y2 + // Calculate transformed coordinates at x2,y2 x += len; xt = x; yt = y; @@ -378,13 +378,13 @@ namespace agg //---------------------------------------------------------------- void resynchronize(double xe, double ye, unsigned len) { - // Assume x1,y1 are equal to the ones at the previous end point + // Assume x1,y1 are equal to the ones at the previous end point int x1 = m_coord_x.y(); int y1 = m_coord_y.y(); int sx1 = m_scale_x.y(); int sy1 = m_scale_y.y(); - // Calculate transformed coordinates at x2,y2 + // Calculate transformed coordinates at x2,y2 double xt = xe; double yt = ye; m_trans_dir.transform(&xt, &yt); @@ -447,7 +447,7 @@ namespace agg { m_trans_dir.transform(x, y); } - + private: trans_type m_trans_dir; trans_type m_trans_inv; |